Home / 996,979.20-1,494,448.20-490,761.60

Finding the Fourth Proportional to 996,979.20, 1,494,448.20 and 490,761.60

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Solution

The fourth proportional to 996,979.20, 1,494,448.20 and 490,761.60 is: 735,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,979.20 : 1,494,448.20 = 490,761.60 : x
  2. Step 2: Convert to fraction form
    996,979.20/1,494,448.20 = 490,761.60/x
  3. Step 3: Cross multiply
    996,979.20x = 1,494,448.20 × 490,761.60
  4. Step 4: Simplify right side
    996,979.20x = 733,417,789,749.12
  5. Step 5: Solve for x
    x = 733,417,789,749.12/996,979.20
  6. Step 6: Final answer
    x = 735,640.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.